This book can be used at any university/college with Mathematics, Physics, Architecture, and Engineering departments or schools in the world as a textbook.This textbook includes all necessary and universal topics and concepts of Trigonometry or Trigonometry and Vectors courses.Trigonometry and Vectors with Applications in Physics is unique because it includes academically precise definitions, a large number of practice classwork and homework problems, pre-tests, and applications which can help students understand the material more deeply and be prepared for tests. It is also a unique textbook because contains a large number of physics applications.This book is written in an easy-to-understand manner and helps students and instructors grasp the topics easily and deeply.